Home / 13,674.83-20,497.86-5,775.71

Finding the Fourth Proportional to 13,674.83, 20,497.86 and 5,775.71

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Solution

The fourth proportional to 13,674.83, 20,497.86 and 5,775.71 is: 8,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.83 : 20,497.86 = 5,775.71 : x
  2. Step 2: Convert to fraction form
    13,674.83/20,497.86 = 5,775.71/x
  3. Step 3: Cross multiply
    13,674.83x = 20,497.86 × 5,775.71
  4. Step 4: Simplify right side
    13,674.83x = 118,389,592.49
  5. Step 5: Solve for x
    x = 118,389,592.49/13,674.83
  6. Step 6: Final answer
    x = 8,657.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.